This project has retired. For details please refer to its Attic page.

org.apache.crunch.types
Class PGroupedTableType.PairIterableMapFn<K,V>

java.lang.Object
  org.apache.crunch.DoFn<S,T>
      org.apache.crunch.MapFn<Pair<Object,Iterable<Object>>,Pair<K,Iterable<V>>>
          org.apache.crunch.types.PGroupedTableType.PairIterableMapFn<K,V>

All Implemented Interfaces:

Serializable

Enclosing class:

PGroupedTableType<K,V>

public static class PGroupedTableType.PairIterableMapFn<K,V>
extends MapFn<Pair<Object,Iterable<Object>>,Pair<K,Iterable<V>>>

See Also:

Serialized Form

Constructor Summary

PGroupedTableType.PairIterableMapFn(MapFn<Object,K> keys, MapFn<Object,V> values)

Method Summary

void	initialize() Called during the setup of the MapReduce job this DoFn is associated with.
Pair<K,Iterable<V>>	map(Pair<Object,Iterable<Object>> input) Maps the given input into an instance of the output type.

Methods inherited from class org.apache.crunch.MapFn

process, scaleFactor

Methods inherited from class org.apache.crunch.DoFn

cleanup, configure, setConfigurationForTest, setContext

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PGroupedTableType.PairIterableMapFn

public PGroupedTableType.PairIterableMapFn(MapFn<Object,K> keys,
                                           MapFn<Object,V> values)

Method Detail

initialize

public void initialize()

Description copied from class: DoFn

Called during the setup of the MapReduce job this DoFn is associated with. Subclasses may override this method to do appropriate initialization.

Overrides:

initialize in class DoFn<Pair<Object,Iterable<Object>>,Pair<K,Iterable<V>>>

map

public Pair<K,Iterable<V>> map(Pair<Object,Iterable<Object>> input)

Description copied from class: MapFn

Maps the given input into an instance of the output type.

Specified by:

map in class MapFn<Pair<Object,Iterable<Object>>,Pair<K,Iterable<V>>>